find the sum `(a)(3/4+5/6)
(b)2/5+3/7`

Find the sum 3(1)/(5)+4(3)/(5)+7(2)/(5)

Find the sum: 4(3)/(5)+2(7)/(8)

Find the sum:  (i) 5/6+3+3/4 (ii) 2 3/5+4 7/(10)+2 4/(15)

Re- arrange suitably and find the sum: (-4)/7+7/6+2/7+\ 3+\ (-11)/6

Draw hops on a number line to show the addition statement and find the sum : {:(a.,3 + (-7),b.,(-4) + 6),(c.,3 + 5,d.,(-2) + (-5)):}

Re- arrange suitably and find the sum: 5/3+(11)/2+\ (-9)/4+\ (-8)/3+\ (-7)/2

Express the following as improper fractions : (a) (7) 3/4 (b) (5) 6/7 (c) (2) 5/6 (d) (10) 3/5 (e) (9) 3/7 (f) (8) 9/4

Compare the fractions and put an appropriate sign. (a) 3/6 , 5/6 (b) 1/7 , 1/4 (c) 4/5 , 5/5 (d) 3/5 , 3/7

Find the sum (1^4)/(1xx3)+(2^4)/(3xx5)+(3^4)/(5xx7)+......+(n^4)/((2n-1)(2n+1))

Evaluate the sum: 7/(10)+3/(5)